diff --git a/src/index.js b/src/index.js
index d4e2210..27665af 100644
--- a/src/index.js
+++ b/src/index.js
@@ -219,7 +219,7 @@ export default function commonjs ( options = {} ) {
 				this.error(err, err.loc);
 			});
 
-			setIsCjsPromise(id, transformPromise.then( transformed => transformed ? true : false ));
+			setIsCjsPromise(id, transformPromise.then( transformed => transformed ? true : false, err => true ));
 
 			return transformPromise;
 		}
diff --git a/test/test.js b/test/test.js
index 846814b..068875d 100644
--- a/test/test.js
+++ b/test/test.js
@@ -165,8 +165,8 @@ describe( 'rollup-plugin-commonjs', () => {
 			});
 
 			assert.equal(Object.keys(generated).length, 3);
-			assert.equal(generated.hasOwnProperty('./b.js'), true);
-			assert.equal(generated.hasOwnProperty('./c.js'), true);
+			assert.equal(generated.hasOwnProperty('b.js'), true);
+			assert.equal(generated.hasOwnProperty('c.js'), true);
 		});
 
 		it( 'handles references to `global`', async () => {